Over 14000 sym­bols are listed as a set of ta­bles.
The ta­bles of sym­bols are or­dered in a log­i­cal way (the doc­u­ment
be­gins with a ‘fre­quently re­quested sym­bols’
list), the aim be­ing to make the doc­u­ment a con­ve­nient way of
look­ing up sym­bols.